Pith Number

pith:TFFXJ4BQ

pith:2019:TFFXJ4BQ4CH67A37T2WDFN2OP5

not attested not anchored not stored refs pending

That's Not Me! Designing Fictitious Profiles to Answer Security Questions

Nalin Asanka Gamagedara Arachchilage, Nicholas Micallef

arxiv:1908.09210 v1 · 2019-08-24 · cs.CR · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFFXJ4BQ4CH67A37T2WDFN2OP5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:59:37.719702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

994b74f030e08fef837f9eac32b74e7f4e9657d776a9f76c954ed6e95ddfe873

Aliases

arxiv: 1908.09210 · arxiv_version: 1908.09210v1 · doi: 10.48550/arxiv.1908.09210 · pith_short_12: TFFXJ4BQ4CH6 · pith_short_16: TFFXJ4BQ4CH67A37 · pith_short_8: TFFXJ4BQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TFFXJ4BQ4CH67A37T2WDFN2OP5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 994b74f030e08fef837f9eac32b74e7f4e9657d776a9f76c954ed6e95ddfe873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ed7e16c9f0fe44fb69ccfcade45c34645df05674c662ac8b8f0e34750afb80b",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-24T21:11:30Z",
    "title_canon_sha256": "8e4da00dc2de0383b3dee64f37db02ff2b50cd10fa86d2218328fcef71eb3798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09210",
    "kind": "arxiv",
    "version": 1
  }
}